I definitely learned this, but I forgot. When you say something like "He is going to do the laundry" you would say "Il va faire", but what if you said something like: Est-ce qu'elle a utilisé la ...
I have seen one form of using avoir, recently, like this: à avoir eu. I forgot the phrase itself, but, for example in this phrase I just found in Google: Les jeunes de l’OM sont 2 sur 14 à avoir ...
When learning French, I was taught that an infinitive form, e.g. jouer, meant “to play” (or whatever). That is, the English translation of the verb was preceded by to. The word à also means “to.” But ...